The ECRA1575R10C70B from ECHO Microwave is a Band Stop Filter with Stopband Frequency 1570 to 1580 MHz, Bandwidth 10 MHz, Insertion Loss 1.25 dB ( DC-1540, 1610-2500 MHz), Rejection 70 dB. Tags: Module with Connectors, Ceramic Filter. More details for ECRA1575R10C70B can be seen below.